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Perturbations not necessarily commutative

Spectral Theory 2022-09-05 v1 Commutative Algebra Functional Analysis Rings and Algebras

Abstract

This paper treatises the preservation of some spectra under perturbations not necessarily commutative and generalizes several results which have been proved in the case of commuting operators.

Keywords

Cite

@article{arxiv.2209.01086,
  title  = {Perturbations not necessarily commutative},
  author = {Zakariae Aznay and Abdelmalek Ouahab and Hassan Zariouh},
  journal= {arXiv preprint arXiv:2209.01086},
  year   = {2022}
}

Comments

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R2 v1 2026-06-28T00:38:30.248Z